20007898

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{2677}}^1$

素因数の和:2817

約数の個数: 16

約数和(自身を含む): 31139784

約数和(自身を除く): 11131886

約数列:

[1, 2, 37, 74, 101, 202, 2677, 3737, 5354, 7474, 99049, 198098, 270377, 540754, 10003949, 20007898]

約数ペア:

[(1, 20007898), (2, 10003949), (37, 540754), (74, 270377), (101, 198098), (202, 99049), (2677, 7474), (3737, 5354)]